Copy letter from Herbert Rix, to M N Wolodikiewitch, Secrétarie de la Société des Naturalistes de Kiew [Kiev], Kiew University, Russia Rix expresses regret that his application on behalf of the Société des Naturalistes for exchange of publications was postponed due to the pressure of committee work. He is now able to inform him that the President and Council of the Royal Society have sanctioned the proposed exchange, and following the numbers of 'Proceedings of the Royal Society' already posted to them, they will be sent as they are issued. 21 February 1889